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WO2011096657A2 - Machine à laver - Google Patents

Machine à laver Download PDF

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Publication number
WO2011096657A2
WO2011096657A2 PCT/KR2011/000355 KR2011000355W WO2011096657A2 WO 2011096657 A2 WO2011096657 A2 WO 2011096657A2 KR 2011000355 W KR2011000355 W KR 2011000355W WO 2011096657 A2 WO2011096657 A2 WO 2011096657A2
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
blade
heat dissipation
tub
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/000355
Other languages
English (en)
Korean (ko)
Other versions
WO2011096657A3 (fr
Inventor
홍상욱
김동원
김나은
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to AU2011211590A priority Critical patent/AU2011211590B2/en
Priority to CN201180008087.1A priority patent/CN102741471B/zh
Priority to US13/576,691 priority patent/US20120299406A1/en
Priority to DE112011100414.1T priority patent/DE112011100414B4/de
Publication of WO2011096657A2 publication Critical patent/WO2011096657A2/fr
Publication of WO2011096657A3 publication Critical patent/WO2011096657A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a laundry machine.
  • a general drum washing machine has a tub installed to accommodate the wash water inside the cabinet forming the exterior, and includes a drum provided to be rotatable inside the tub to accommodate the laundry.
  • the drum is rotated by a motor and the vibration generated during the rotation of the drum is transmitted to the tub.
  • the tub is fixed to the cabinet via a spring and a damper, so that the vibration caused by drum rotation is not transmitted to the cabinet.
  • the motor is composed of a stator and a rotor, and the rotor is provided with a plurality of heat dissipation holes for dissipating heat generated from the stator, and blades for guiding air to the heat dissipation holes.
  • the present invention is to solve the problem to provide a laundry machine for easily releasing heat generated from the stator.
  • the present invention is to solve the problem to provide a washing apparatus capable of discharging the heat generated in the stator regardless of the rotation direction of the rotor to the outside of the rotor.
  • the present invention provides a cabinet forming an exterior, a tub installed inside the cabinet to store wash water, a drum rotatably provided inside the tub, and having a laundry accommodated therein, A rotor rotatable on an outer side, a stator provided inside the rotor and fixed to a rear surface of the tub, and a motor assembly including a shaft penetrating the tub to connect the rotor and the drum, wherein the rotor is formed of air. It includes a heat dissipation hole and a blade for guiding air to the heat dissipation hole provided to allow access, the size of the heat dissipation hole provides a washing apparatus characterized in that it is provided larger than the size of the blade.
  • the rotor may include a circular base and sidewalls provided on the outer circumferential surface of the base, and the heat dissipation hole may be provided along the circumferential direction of the base.
  • the blade is provided by bending the base after the perforation
  • the heat radiating hole may be characterized in that the space formed by the bent blade.
  • the heat dissipation hole may be provided by drilling the base once more so that the size of the heat dissipation hole is larger than the size of the blade.
  • the blade forming direction may be characterized in that the symmetrical with respect to the virtual center line passing through the center of the base portion.
  • the blade forming direction may be symmetrical with respect to the virtual first center line and the second center line which are perpendicular to each other after passing through the center of the base part.
  • the blade may be provided so that the heat dissipation hole is divided into a suction group in which air is introduced into the rotor and a discharge group in which air in the rotor is discharged.
  • the suction group and the discharge group may be switched to each other according to the rotation direction of the rotor.
  • the number of heat dissipation holes constituting the suction group may be the same as the number of heat dissipation holes constituting the discharge group.
  • the present invention can achieve the effect of providing a laundry machine for easily releasing heat generated in the stator.
  • the present invention can achieve the effect of providing a washing apparatus capable of dissipating heat generated in the stator to the outside of the rotor regardless of the rotation direction of the rotor.
  • FIG. 1 is a cross-sectional view of a washing apparatus according to an embodiment of the present invention.
  • FIG. 2 is a plan view of a rotor according to the present invention.
  • FIG 3 is a view illustrating a process of forming a blade provided in the rotor.
  • FIG. 4 is a view illustrating a form in which blades formed in the rotor are arranged.
  • FIG. 5 is a view showing another example of the blade arrangement formed on the rotor.
  • the laundry machine 100 of the present invention includes a cabinet 10 forming an exterior, a tub 20 provided inside the cabinet, in which washing water is stored, and a drum 30 rotatable inside the tub. ).
  • the front of the cabinet 10 is provided with an inlet 11 is provided to enable the loading and withdrawal of the laundry, the inlet 11 is openable by the door 13 provided in the cabinet.
  • the tub 20 and the drum 30 provided in the cabinet 10 are provided to have openings communicating with the inlet 11, respectively, so that the user can inject or withdraw laundry into the drum through the inlet 11. do.
  • the tub 20 may store the wash water supplied through the water supply hose 40 and may be provided to discharge the wash water stored in the tub through the drain hose 50. That is, the washing water required for washing is supplied to the tub through the water supply hose 40, and the washing water used for washing is discharged to the outside of the washing apparatus through the drain hose 50.
  • the water supply hose 40 may be further provided with a water supply valve 41 to selectively wash water from a water supply source provided outside the washing apparatus, and detergent may be supplied to the tub when the water is supplied to the tub.
  • Detergent box 43 may be further provided between the water supply valve and the tub.
  • the drain hose 50 may be further provided with a drain pump 51 to selectively drain the wash water stored in the tub.
  • the tub 20 is configured to store and discharge the wash water
  • the tub 20 is disposed between the opening of the tub and the inlet of the cabinet to prevent the wash water from leaking into the inlet 11 of the cabinet 10.
  • the gasket 25 is further provided.
  • the inside of the tub is provided with a drum 30 to be rotated by the motor 60 to be described later, the vibration caused by the rotation of the drum can be transmitted to the tub (20). If the vibration transmitted to the tub is delivered to the cabinet will cause noise and vibration during washing, so that the spring (21) or damper (23) to reduce the vibration transmitted to the tub to prevent the vibration from being transmitted to the cabinet It is preferably provided between the tub and the cabinet.
  • the outer side of the tub 20 is provided with a motor 60 for rotating the drum 30, the motor 60 is a stator 61 fixed to the tub, a rotor 63 to rotate in interaction with the stator and The shaft 65 is fixed to the rotor and penetrates the tub and is connected to the rear surface of the drum.
  • the stator 61 is provided with a coil
  • the rotor 63 is provided with a magnet provided to interact with a magnetic field induced by the coil.
  • the rotor 63 rotates by the interaction of the coil and the magnet, so that the drum 30 connected to the rotor 63 through the shaft 65 also rotates.
  • the motor 60 is preferably provided with an outer rotor type in which a stator 61 is positioned inside the rotor 63.
  • the rotor 63 includes a base 631 having a circular shape and a side wall 633 bent at an outer circumferential surface of the base. Include.
  • the base 631 is provided with a shaft hole 6311 to which the shaft 65 is fixed, and the side wall 633 is provided with a plurality of magnets 635.
  • the size of the base 631 should be provided so that the stator 61 can be located in the space formed by the base 631 and the side walls 633.
  • the magnets provided on the side walls and the outer circumferential surface of the stator 61 are spaced a predetermined distance from each other. It should be provided to maintain the.
  • the rotor provided in the present invention is characterized by maintaining the performance of the motor by cooling the stator.
  • the base 631 of the rotor 63 according to the present invention further includes a plurality of heat dissipation holes 637 and blades 639.
  • the heat dissipation hole 637 is disposed radially outside the shaft hole and is formed to have a predetermined length in the radial direction of the base 631.
  • the heat radiating hole 637 serves as a passage through which air guided by the blade 639 is sucked into the rotor or discharged to the outside of the rotor when the rotor 63 rotates.
  • the blade 639 may be provided by perforating the base 631 to a desired shape, and then bending the base part surrounded by the perforation.
  • the heat dissipation hole 637 may be defined as a hole formed by bending the blade, the size (H2) of the heat dissipation hole 637 is provided larger than the size (H1) of the blade 639. This is preferred.
  • the heat dissipation hole 637 is preferably provided by perforating (M2) the outer circumferential surface of the perforation (M1) to form the blade once more.
  • the perforation method of forming the blade and the heat dissipation hole may be performed through a lancing for cutting the base or a punching for forming a hole having a desired shape in the base.
  • the base 631 is subjected to a lancing (M1, or punching) for forming the blade and a heat radiation lancing (M2, or punching) along the outer circumferential surface of the blade lancing (M1) and then the blade 639.
  • the heat dissipation hole and the blade can be formed by bending from the base 631.
  • Blade lancing processing (M1)
  • the size (H2) of the heat sink is naturally larger than the size (H1) of the blade, so that when the rotor 63 rotates in and out of the rotor The amount of air increases so that the heat generated by the stator 61 can be cooled more effectively.
  • the rotor 63 As shown in FIG. 4, the rotor 63 according to an embodiment of the present invention has a heat sink 637 and a blade 639 based on a virtual center line A passing through the center of the base portion 631. It may be provided to achieve symmetry.
  • the heat dissipation hole 637 and the blade 639 located on the left side with respect to the center line A are provided to be symmetrical with the heat dissipation hole 637 and the blade 639 located on the right side with respect to the center line A. Can be.
  • the blade 639 provided on the left side of the center line A is located on the left side of the heat dissipation hole 637, and the blade 639 provided on the right side of the center line A is on the right side of the heat dissipation hole 637. Will be located.
  • the heat dissipation hole serving as the suction group and the heat dissipating hole serving as the discharge group will be described by distinguishing the case where the blade is bent into the rotor and the case where the blade is bent to the outside of the rotor.
  • the blade 639 formed on the right side of the center line A blocks the air inside the rotor from being discharged to the outside of the rotor, the heat radiation holes 637 formed on the right side of the center line A will form a suction group. .
  • the rotor 63 rotates in any direction, and there is an effect of allowing air discharge inside the rotor and air suction outside the rotor.
  • the number of the suction group and the discharge group will be provided to be 1/2 of the total number of the heat radiation holes 637, respectively.
  • the rotor 63 has a reference to the first virtual center line B and the second central line C passing through the center of the base part 631.
  • the heat dissipation hole 637 and the blade 639 may be provided to be symmetrical to each other.
  • the heat dissipation hole 637 and the blade 639 located on the left side with respect to the first center line B, and the heat dissipation hole 637 and the blade 639 located on the right side with respect to the first center line B are provided.
  • the heat dissipation hole 637 and the heat dissipation hole 637 located on the left side based on the second center line C and the blade 639 and the heat dissipation hole 637 positioned on the right side of the second center line C are provided.
  • Blades 639 may be provided to be mutually symmetrical.
  • the arrangement of the heat dissipation hole and the blade is defined by defining the upper right quadrant, the upper left quadrant, the lower left third quadrant, and the lower right quadrant four based on the first center line B as follows. same.
  • the blade 639 is positioned on the left side of the heat dissipation hole 637 in two quadrants, and the right side of the heat dissipation hole 637 in one quadrant.
  • the blade 639 is formed.
  • the blade 639 is positioned at the right side (reference point F) of the heat radiating hole 637 in the third quadrant, and the blade 639 is formed at the left side (reference point F) of the heat radiating hole 637 in the fourth quadrant.
  • the heat dissipation hole 637 is divided into a suction group in which air is sucked and a discharge group in which air is discharged, but the division of the suction group and the discharge group is mutually switched according to the rotation of the rotor 63.
  • the number of heat dissipation holes forming the suction group and the heat dissipation holes forming the discharge group is provided to be 1/2 of the total number of the heat dissipation holes 637 (the number of the heat dissipation holes of the suction group and the discharge group).
  • the number of heat sinks is the same).
  • the present invention can secure a certain amount of heat radiation airflow rate (50%) even if the rotor rotates in any direction, thereby increasing the heat radiation efficiency of the stator.
  • the size of the heat dissipation hole is formed larger than the size of the blade, the size of the heat dissipation hole is larger than the conventional one, so that the intake and discharge of air is easy, thereby improving heat dissipation efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

La présente invention concerne une machine à laver. L'invention a pour objet de proposer une machine à laver qui peut émettre la chaleur générée par le stator vers l'extérieur, indépendamment du sens de rotation d'un rotor.
PCT/KR2011/000355 2010-02-02 2011-01-18 Machine à laver Ceased WO2011096657A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2011211590A AU2011211590B2 (en) 2010-02-02 2011-01-18 Washing machine
CN201180008087.1A CN102741471B (zh) 2010-02-02 2011-01-18 洗涤装置
US13/576,691 US20120299406A1 (en) 2010-02-02 2011-01-18 Washing machine
DE112011100414.1T DE112011100414B4 (de) 2010-02-02 2011-01-18 Waschmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0009525 2010-02-02
KR1020100009525A KR101929775B1 (ko) 2010-02-02 2010-02-02 세탁장치

Publications (2)

Publication Number Publication Date
WO2011096657A2 true WO2011096657A2 (fr) 2011-08-11
WO2011096657A3 WO2011096657A3 (fr) 2011-10-20

Family

ID=44355912

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/000355 Ceased WO2011096657A2 (fr) 2010-02-02 2011-01-18 Machine à laver

Country Status (6)

Country Link
US (1) US20120299406A1 (fr)
KR (1) KR101929775B1 (fr)
CN (1) CN102741471B (fr)
AU (1) AU2011211590B2 (fr)
DE (1) DE112011100414B4 (fr)
WO (1) WO2011096657A2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5787184B2 (ja) * 2012-12-05 2015-09-30 株式会社デンソー 回転子、および、これを用いた回転電機
JP2014180164A (ja) * 2013-03-15 2014-09-25 Nippon Densan Corp Ｄｃブラシレスモータ
WO2017131444A1 (fr) 2016-01-27 2017-08-03 엘지전자 주식회사 Unité d'entraînement pour machine à laver, machine à laver ou machine à laver double comprenant celle-ci, et son procédé de commande
KR20170089753A (ko) * 2016-01-27 2017-08-04 엘지전자 주식회사 트윈 세탁장치
US20190112742A1 (en) * 2017-10-17 2019-04-18 Haier Us Appliance Solutions, Inc. Fan assembly for a washing machine appliance
KR102707196B1 (ko) * 2020-09-04 2024-09-20 엘지전자 주식회사 의류처리장치
AU2021337477B2 (en) 2020-09-04 2025-03-06 Lg Electronics Inc. Apparatus for treating laundry
CN112491199A (zh) * 2020-11-23 2021-03-12 杭州老板电器股份有限公司 一种外转子电机及烹饪电器
KR102641929B1 (ko) 2022-03-03 2024-02-27 엘지전자 주식회사 의류기기용 모터

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179242A (ja) * 1988-12-28 1990-07-12 Shinko Electric Co Ltd 回転電気機械の冷却機構
AU782017B2 (en) 1999-10-18 2005-06-30 Lg Electronics Inc. A driving unit for a drum type washing machine
AU753411B2 (en) * 1999-10-19 2002-10-17 Lg Electronics Inc. Structure of driving unit in drum type washing machine
CN100414029C (zh) * 2003-06-30 2008-08-27 乐金电子(天津)电器有限公司 全自动洗衣机的驱动装置
WO2006001652A1 (fr) * 2004-06-24 2006-01-05 Lg Electronics Inc. Moteur pour machine a laver
KR101141638B1 (ko) 2004-11-11 2012-05-04 엘지전자 주식회사 세탁기의 직결식 모터
KR101141639B1 (ko) 2004-11-16 2012-06-14 엘지전자 주식회사 직결식 세탁기용 모터의 아웃터로터
KR101092319B1 (ko) * 2004-12-03 2011-12-09 주식회사 동서전자 드럼 세탁기의 아우터 로터 모터용 로터

Also Published As

Publication number Publication date
WO2011096657A3 (fr) 2011-10-20
CN102741471B (zh) 2016-01-20
KR101929775B1 (ko) 2018-12-17
CN102741471A (zh) 2012-10-17
DE112011100414B4 (de) 2023-03-30
DE112011100414T5 (de) 2012-12-06
KR20110089987A (ko) 2011-08-10
AU2011211590B2 (en) 2014-05-22
US20120299406A1 (en) 2012-11-29
AU2011211590A1 (en) 2012-09-13

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